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shader: Add support for fp16 comparisons and misc fixes

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This commit is contained in:
ReinUsesLisp 2021-03-21 00:42:56 -03:00 • committed by ameerj
parent 27fb97377e
commit a77e764726
11 changed files with 56 additions and 14 deletions
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23
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@ -895,15 +895,30 @@ U1 IREmitter::FPGreaterThanEqual(const F16F32F64& lhs, const F16F32F64& rhs, FpC
}
}
U1 IREmitter::FPIsNan(const F32& value) {
return Inst<U1>(Opcode::FPIsNan32, value);
U1 IREmitter::FPIsNan(const F16F32F64& value) {
switch (value.Type()) {
case Type::F16:
return Inst<U1>(Opcode::FPIsNan16, value);
case Type::F32:
return Inst<U1>(Opcode::FPIsNan32, value);
case Type::F64:
return Inst<U1>(Opcode::FPIsNan64, value);
default:
ThrowInvalidType(value.Type());
}
}
U1 IREmitter::FPOrdered(const F32& lhs, const F32& rhs) {
U1 IREmitter::FPOrdered(const F16F32F64& lhs, const F16F32F64& rhs) {
if (lhs.Type() != rhs.Type()) {
throw InvalidArgument("Mismatching types {} and {}", lhs.Type(), rhs.Type());
}
return LogicalAnd(LogicalNot(FPIsNan(lhs)), LogicalNot(FPIsNan(rhs)));
}
U1 IREmitter::FPUnordered(const F32& lhs, const F32& rhs) {
U1 IREmitter::FPUnordered(const F16F32F64& lhs, const F16F32F64& rhs) {
if (lhs.Type() != rhs.Type()) {
throw InvalidArgument("Mismatching types {} and {}", lhs.Type(), rhs.Type());
}
return LogicalOr(FPIsNan(lhs), FPIsNan(rhs));
}

6
src/shader_recompiler/frontend/ir/ir_emitter.h
View file

@ -161,9 +161,9 @@ public:
FpControl control = {}, bool ordered = true);
[[nodiscard]] U1 FPGreaterThanEqual(const F16F32F64& lhs, const F16F32F64& rhs,
FpControl control = {}, bool ordered = true);
[[nodiscard]] U1 FPIsNan(const F32& value);
[[nodiscard]] U1 FPOrdered(const F32& lhs, const F32& rhs);
[[nodiscard]] U1 FPUnordered(const F32& lhs, const F32& rhs);
[[nodiscard]] U1 FPIsNan(const F16F32F64& value);
[[nodiscard]] U1 FPOrdered(const F16F32F64& lhs, const F16F32F64& rhs);
[[nodiscard]] U1 FPUnordered(const F16F32F64& lhs, const F16F32F64& rhs);
[[nodiscard]] F32F64 FPMax(const F32F64& lhs, const F32F64& rhs, FpControl control = {});
[[nodiscard]] F32F64 FPMin(const F32F64& lhs, const F32F64& rhs, FpControl control = {});

2
src/shader_recompiler/frontend/ir/opcodes.inc
View file

@ -236,7 +236,9 @@ OPCODE(FPOrdGreaterThanEqual64, U1, F64,
OPCODE(FPUnordGreaterThanEqual16, U1, F16, F16, )
OPCODE(FPUnordGreaterThanEqual32, U1, F32, F32, )
OPCODE(FPUnordGreaterThanEqual64, U1, F64, F64, )
OPCODE(FPIsNan16, U1, F16, )
OPCODE(FPIsNan32, U1, F32, )
OPCODE(FPIsNan64, U1, F64, )
// Integer operations
OPCODE(IAdd32, U32, U32, U32, )